Air quality in Tuolumne City
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
11 µg/m³
WHO guideline 15
PM10
16.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 11 µg/m³
46Good
9:00 AM
💨
PM2.5 10.9 µg/m³
45Good
10:00 AM
💨
PM2.5 11.1 µg/m³
46Good
11:00 AM
💨
PM2.5 11.4 µg/m³
48Good
12:00 PM
💨
PM2.5 11.5 µg/m³
48Good
1:00 PM
💨
PM2.5 11.5 µg/m³
48Good
2:00 PM
💨
PM2.5 10.3 µg/m³
48Good
3:00 PM
💨
PM2.5 9 µg/m³
47Good
4:00 PM
💨
PM2.5 7.8 µg/m³
46Good
5:00 PM
💨
PM2.5 7.1 µg/m³
45Good
6:00 PM
💨
PM2.5 6.7 µg/m³
43Good
7:00 PM
💨
PM2.5 6.6 µg/m³
41Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
52
Sat
💨
Moderate · UV Very high
54
Sun
💨
Moderate · UV High
54